In episode 207, Ann and Tru talk about Ann's favorite, intaglio. It's an umbrella term that includes: engraving, drypoint, etching, mezzotint, aquatint.
Images below are a sampling of the kinds of intaglio prints discussed.
Platemark series two | History of Prints
Co-hosts: Ann Shafer and Tru Ludwig
Producer: Ann Shafer
Theme music: Michael Diamond